Complete 2015 Long-Range Weather Forecast for the Intermountain Region, November 2014 to October 2015 includes week-by-week details.
Free 2-Month Weather Forecast
MAY 2015: temperature 60° (3° above avg.); precipitation 0.5" (0.5" below avg.); May 1-7: Showers, cool north; sunny, warm south; May 8-18: Sunny, then showers, warm; May 19-24: Showers, then sunny, cool; May 25-31: Scattered showers, warm north; sunny, cool south.
JUNE 2015: temperature 67° (1° above avg.); precipitation 1" (0.5" above avg.); Jun 1-9: Showers, cool north; sunny, hot south; Jun 10-15: Sunny, hot; Jun 16-23: A couple of t-storms, turning cool; Jun 24-30: Sunny, warm.
Annual Weather Summary: November 2014 to October 2015
Winter temperatures will be above normal, with below-normal snowfall and with precipitation above normal north, below south. The coldest periods will be late December and mid- to late February north, and mid-December south. The snowiest period in northern and central sections will be in early December; mid-February and early to mid-March in the south.
April and May will be slightly drier than normal, with near-normal temperatures.
Summer will be hotter than normal, with above-normal rainfall. The hottest periods will be in mid- and late June, early July, and mid- to late July.
September and October will be cooler than normal, with precipitation slightly above normal in the north and below in the south.